In normal operation, the operator must not remove the Ramp/Soak
Profile Controller from its housing or have unrestricted access to the
rear terminals, as this would provide potential contact with hazardous
live parts.
Installation and configuration must be undertaken only by
technically-competent servicing personnel. This is covered in Volume II
of this manual.
CONTENTS
1BASE MODE1-1
1.1DISPLAY SEQUENCE - NO PROGRAM RUNNING1-1
1.2STARTING A PROGRAM1-2
1.3PUTTING A PROGRAM IN HOLD1-2
1.4RELEASING A PROGRAM FROM HOLD1-2
1.5ABORTING A PROGRAM1-2
1.6DISPLAY SEQUENCE - PROGRAM RUNNING1-3
1.7RaPID CONTROL FEATURE1-4
1.8PRE-TUNE FEATURE1-4
1.9ENGAGING BOTH PRE-TUNE AND RaPID FEATURES1-5
1.10INDICATION OF PRE-TUNE AND RaPID STATUS1-5
1.11VIEWING THE HARDWARE DEFINITION CODE1-6
1.12MANUAL CONTROL1-7
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2PROGRAM DEFINITION MODE -
CREATING/EDITING A PROGRAM2-1
2.1ENTRY2-1
2.2CREATING A PROGRAM2-2
2.3DEFAULT VALUES AND ADJUSTMENT RANGES2-9
2.4EXIT FROM PROGRAM DEFINE MODE2-9
3CONTROLLER SET-UP MODE3-1
3.1PARAMETER DETAILS3-3
3.2EXIT FROM CONTROLLER SET-UP MODE3-9
4MODBUS COMMUNICATIONS4-1
4.1INTRODUCTION4-1
4.2MODBUS FUNCTIONS SUPPORTED4-1
4.3MESSAGE FORMATS4-1
4.4PARAMETER NUMBERS4-7
4.5PROFILER STATUS BYTE4-11
4.6PROFILER COMMANDS4-11
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1BASE MODE
1.1DIS P L A Y SEQUENCE - NO PROGRAM RUNNING
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1.2STARTING A PROGRAM
To start a program running:
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1.3PUTTING A PROGRAM IN HOLD
A program can be put in Hold (i.e. frozen) at any time whilst it is running. The
program setpoint will stay at its value at the instant the program entered Hold until
the program is released (see Subsection 1.4) or aborted (see Subsection 1.5). To
put a program in hold, momentarily press the RUN key. The RUN indicator will
flash whilst the program is in hold.
1.4RELEASING A PROGRAM FROM HOLD
To release a program currently in Hold, momentarily press the RUN key. The
RUN indicator will then go ON continuously.
1.5ABORTING A PROGRAM
To abort the current-running (or held) program, hold down the RUN key for 5
seconds. The program will be aborted, the RUN indicator will go OFF and the
normal Controller functions will be resumed.
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NOTE: When a program is aborted, the instrument returns to the Controller
Setpoint value. If a program is successfully completed, the Controller
Setpoint is automatically set to the final setpoint value of the program. If it is
desired to restore the initial Controller Setpoint value after the program is
completed, this value should be used as the program Final Setpoint value.
1.6DISPLA Y SEQ U EN CE - PROGRAM RUNNING
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1.7RaPID CONTROL FEATURE
The RaPID control feature may be used when extra fast responses and minimum
overshoot are required. The RaPID feature works best when PID terms are
well-tuned; therefore, it is recommended that the Pre-Tune feature (see Subsection
1.8) is run before the RaPID feature is engaged.
To disengage RaPID control, use the same key actions. NOTE: The RaPID feature
cannot be engaged if Proportional Band 1 or Proportional Band 2 is set to 0.
1.8PRE-TUNE FEATURE
This facility may be used to provide initial tuning of the Profile Controller’s PID
parameters. Pre-Tune may be engaged (and subsequently disengaged) as
follows:
NOTE: The Pre-Tune facility will not engage if (a) a program is currently
running, (b) the process variable is within 5% of input span of the setpoint,
or (c) an erroneous key sequence is used. Pre-Tune is a single-shot process
which automatically disengages itself when completed.
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1.9ENGAGING BOTH PRE-TUNE AND RaPID FEATURES
The Pre-Tune and RaPID features can be engaged in one key action sequence:
Pre-Tune will operate first. When it is completed it will disengage itself and the
RaPID feature will then operate automatically.
1.10INDICATION OF PRE-TUNE AND RaPID STATUS
The responses to the RaPID feature being engaged are:
Pre-Tune Status when
RaPID engaged
Not operational.RaPID activated.
Operational.Pre-Tune completes routine,
then RaPID activated.
The responses to the RaPID feature being disengaged are:
Pre-Tune Status when
RaPID disengaged
Not operational.RaPID de-activated.
Operational.Pre-Tune completes routine,
then RaPID de-activated return to normal control.
The responses to Pre-Tune being engaged are:
ResponseIndication
AT indicator goes ON.
AT indicator flashes at
double rate then comes ON.
ResponseIndication
AT indicator goes OFF.
AT indicator flashes at
double rate then goes OFF.
RaPID status when
Pre-Tune engaged
Not operational.Pre-Tune activated and
routine completed
Operational.RaPID interrupted, Pre-Tune
activated. Pre-Tune
completes routine, then
RaPID control resumed.
O077-1Volume I1-5
ResponseIndication
AT indicator flashes at
normal rate the goes OFF.
AT indicator flashes at
double rate then goes ON.
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The responses to Pre-Tune being disengaged (manually or automatically) are:
RaPID Status when
Pre-Tune disengaged
Not operational.Pre-Tune disengaged,
normal control resumed.
Operational.Pre-Tune disengaged, RaPID
control resumed.
ResponseIndication
AT indicator goes OFF.
AT indicator goes ON.
1.11VIEWING THE HARDWARE DEFINITION CODE
NOTE: An automatic return is made to the normal Base Mode display after
30 seconds.
The Hardware Definition Code has the following significance:
Value01234578
InputRTD/
Linear
DC mV
Output
1
Output
2/3
Not
fitted
RelaySSR
RelaySSR
Thermocouple
Drive
Drive
Linear
DC mA
DC
0 - 10VDC0 - 20mADC0 - 5VDC4 - 20mA
DC
0 - 10VDC0 - 20mADC0 - 5VDC4 - 20mA
Linear
DC V
* Output 2 only
Solid
State
Solid
State*
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1.12MANUAL CONTROL
In Base Mode, with no program running or held, Manual Control may be selected
as follows:
The lower display shows the output power in the form Pxxx (xxx is in the range
000% to 100% of maximum output power). This may be adjusted using the Up and
Down keys.
To return to automatic control:
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2PROGRAM DEFINITION MODE -
CREATING/EDITING A PROGRAM
2.1ENTRY
To enter Program Definition Mode:
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NOTE: If the Program Define Mode lock code has been set to 0, pressing
the Scroll key in Step 2 will give direct access to Program Define Mode; no
entry of lock code is required.
Upon entry into Program Define Mode, the first Segment Definition parameter for
Segment 1 of Program 1 will be displayed.
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2.2CREATING A PROGRAM
A program is created in two steps:
1. Define the segments of your program; the parameters used depend on
what Program Mode has been configured - Rate Mode (see Subsection
2.2.2) or Time Mode (see Subsection 2.2.3). The segment definitions
determine whether the selected segment is a Ramp Segment, a Soak
Segment or an End Segment.
2. Set the required Program Options (see Subsection 2.2.4). These
determine:
(i) The number of cycles performed by the program,
(Ii) The timebase to be used (hours/minutes or minutes/seconds)
(Iii) The width of the Guaranteed Soak Band (if enabled),
(Iv) The state of the event indicator for each segment in the
program,
(v) The lock code to be used for subsequent entries into Program
Define Mode.
2.2.1Basic Guidelines
1. The Ramp/Soak Profile Controller may contain up to four programs.
2. Each program may comprise up to 16 segments.
3. Each segment may be:
(a) a Ramp Segment (setpoint changing at a defined rate or
between the initial value and a pre-determined final value over a
defined time),
(b) a Soak Segment (setpoint constant for a defined time,) or
(c) an End Segment (marking the end of the program).
4. A program may contain only one End Segment (the last segment in the
program).
5. If the program comprises 16 segments, Segment 16 is automatically an
End Segment.
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2.2.2Defining Segm ents - Rate Mode
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2.2.3Defining Segments - Time Mode
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2.2.4Prog ram O ptions
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2.2.5Guaran teed Soak Band
The Guaranteed Soak Band is applicable to Soak segments only and operates as
follows (depending on whether Guaranteed Soak has been enabled or Manual
Guaranteed Soak has been configured):
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2.2.6Segment Event Status
For every segment in a program there is an event indicator. This may be set ON or
OFF for that segment. The status for the segments in the currently-selected
program appears in the following form in the upper display:
The first display shows the current event status for Segments 1 - 8 and the second
display shows the current event status for Segments 9 - 16. Each event marker
may be set ON (Up key) or OFF (Down key) in order of segment number. Only the
event indicators for the segments in the program are displayed. If the program
has less than 16 segments (including the End Segment), the non-applicable
display positions are blank; if the program has eight segments or less, the second
display is not included.. The lower display shows the current segment number.
Thus, the key sequence to define the event markers for Segments 1 - 8 could be:
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Pressing the Scroll key would then display the event markers for Segments 9 - 16
(as applicable), which could be defined in a similar manner.
2.3DEFAULT VALUES AND ADJUSTMENT RANGES
ParameterRange MinimumRange MaximumDefault
Ramp Rate0 = Soak segment
-1 = End segment
Final (End of
Ramp) Setpoint
Segment Time00:0099:5901:00
Number of Cycles19999 then INF1
Guaranteed Soak
Band
Range MinimumRange MaximumRange Minimum
1Span plus OFFOFF
9999, then INF100
2.4EXIT FROM PROGRAM DEFINE MODE
A return is then made to the normal Base Mode display.
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3CONTROLLER SET-UP MODE
In this mode, the parameters which define the operation of the controller are
defined. Controller Set-Up Mode can be entered (whether or not there is a
program currently running) as follows:
NOTES:
1. If the Controller Set-Up Mode lock code has been set to 0, pressing the
Scroll key in Step 2 will give direct access to Controller Set-Up Mode; no
entry of lock code is required.
2. If the upper display initially shows all decimal
points illuminated (see right), one or more
configuration parameters have been altered and,
as a consequence, all Controller Set Up Mode
parameters have been automatically set to their
default values/settings. To clear this display, simply alter the value/setting of
any Controller Set Up Mode parameter.
Upon entry into Controller Set-Up Mode, the first in a sequence of controller
parameters will be displayed. The operator may then step through the parameter
sequence using the Scroll key, adjusting the setting/value of each displayed
parameter using the Up/Down keys. The parameter sequence is as follows:
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NOTES
1. Not operative if Proportional Band = 0.
2. Switching differential for ON/OFF control output.
3. Optional; only one legend will appear for each alarm.
4. Only applicable if a DC linear input is fitted.
5. Only applicable if Output 2 is fitted as a secondary control
(COOL) output.
6. Applicable only if the Communications Option is fitted.
7. When a program is running, respective to program setpoint.
3.1PARAMETER DETAILS
ParameterFunctionAdjustment Range
Input Filter Time
Constant
P rocess Variable
Offset
Output Power 1Current Output 1 power level0 to 100%Read only
Output Power 2Current Output 2 power level0 to 100%Read only
Proportional
Band 1 (PB1)
Proportional
Band 2 (PB2)
Reset (Integral
Time Constant)
Filter removes extraneous impulses from
the process variable input
Modifies actual process variable (PV)
value:
Offset PV + actual PV
= PV value used
Portion of input span in which Output 1
power level is proportional to the
(offset) process variable value (see
Figure 3-1).
Portion of input span in which Output 2
power level is proportional to the
(offset) process variable value (see
Figure 3-1).
Integral time constant1sec. to 99min. 59
OFF, 0.5 to 100.0
seconds in 0.5 second
increments
±input span of
Controller
0.0 to 999.9% of input
span
0.0 to 999.9% of input
span
secs. and OFF
Default
value
2.0
seconds
0
10.0%
10.0%
5 mins. 00
secs.
Rate (Derivative
Time Constant)
Overlap/
Deadband
Manual Reset
(Bias)
O077-3Volume I3-3
Derivative time constant00 secs. to 99 mins. 59
secs.
Portion of proportional band (PB1 +
PB2) in which both outputs are active
(overlap) or neither output is active
(deadband) - see Figure 3-1).
Bias applied to output power,
expressed as a percentage of output
power.
− 20% to +20% of
(Proportional Band 1 +
Proportional Band 2)
0% to 100% (Output 1
only);
−100% to +100%
(Output 1 & Output 2)
1 min. 15
secs.
0%
25%
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ParameterFunctionAdjustment Range
ON/OFF
Differential
Setpoint LockEnables/disables setpoint (SP)
Recorder Output
Scale Maximum
Recorder Output
Scale Minimum
Output 1 Power
Limit
Output 1 Cycle
Time
Output 2 Cycle
Time
Switching differential for one output or
both outputs set to ON/OFF control (PB1,
PB2 or both = 0) - see Figure 3-1.
adjustment in Base Mode.
Process variable or setpoint value (as
applicable) for which the recorder
output is a maximum
Process variable or setpoint value (as
applicable) for which the recorder
output is a minimum
Limits Output 1 power level (to protect
the process)
Limits the frequency of operation of
output relay to maximise relay life
Limits the frequency of operation of
output relay to maximise relay life
Band Alarm 1If Alarm 1 is a Band Alarm, the band of
Deviation
Alarm 1
Alarm 1
Hysteresis
If Alarm 1 is a Process High Alarm, the
value of the process variable at or
above which Alarm 1 will be active (see
Figure 3-2)
If Alarm 1 is a Process Low Alarm, the
value of the process variable at or
below which Alarm 1 will be active (see
Figure 3-2)
process variable values, centred on the
(program) setpoint, outside which the
process variable will cause this alarm to
be active (see Figure 3-2)
If Alarm 1 is a Deviation Alarm, gives a
value above (positive value) or below
(negative value) the (program) setpoint.
If the process variable deviates from
the setpoint by a margin greater than
this value, the alarm becomes active
(see Figure 3-2)
Defines a hysteresis band on the “safe”
side of the Alarm 1 value
Input Range Minimum
to Input Range
Maximum
Input Range Minimum
to Input Range
Maximum
0 to input span from
(program) setpoint
± input span from
(program) setpoint
1 to 250 units1 unit
Input
Range
Maximum
Input
Range
Minimum
5 units
5 units
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ParameterFunctionAdjustment Range
Process High
Alarm 2
Process Low
Alarm 2
Band Alarm 2If Alarm 2 is a Band Alarm, the band
Deviation
Alarm 2
If Alarm 2 is a Process High Alarm, the
value of the process variable at or
above which Alarm 2 will be active
(see Figure 3-2)
If Alarm 2 is a Process Low Alarm, the
value of the process variable at or
below which Alarm 2 will be active
(see Figure 3-2)
of process variable values, centred
on the (program) setpoint, outside
which the process variable will cause
this alarm to be active (see Figure
3-2)
If Alarm 2 is a Deviation Alarm, gives
a value above (positive value) or
below (negative value) the (program)
setpoint. If the process variable
deviates from the setpoint by a
margin greater than this value, the
alarm becomes active (see Figure
3-2)
Input Range Minimum
to Input Range
Maximum
Input Range Minimum
to Input Range
Maximum
0 to input span from
(program) setpoint
±input span from
(program) setpoint
Default
value
Input
Range
Maximum
Input
Range
Minimum
5 units
5 units
Alarm 2 HysteresisDefines a hysteresis band on the
“safe” side of the Alarm 2 value
Scale Range
Decimal Point
Position
Scale Range
Maximum
Scale Range
Minimum
Manual Control
Enable/Disable
Setpoint StrategyDetermines whether or not the
Communications
Enable/Disable
Controller Set-Up
Mode Lock Code
For linear inputs only, defines the
decimal point position
For linear inputs only, defines the
scaled input value when the process
variable input is at its maximum value
For linear inputs only, defines the
scaled input value when the process
variable input is at its minimum value
setpoint is adjustable in the normal
Base Mode display
Enables/disables changing of
parameter values via the
communications link
Defines the four-digit code required
to enter the Controller Set-Up Mode
1 to 250 units1 unit
0 (xxxx), 1 (xxx.x), 2
(xx.xx) or 3 (x.xxx)
−1999 to 9999
−1999 to 9999
0 (Disabled) or
1 (Enabled)
0 = not adjustable,
1 = adjustable
0 (disabled) or
1 (Enabled)
0 to 999910
1 (xxx.x)
1000
0000
0
(Disabled)
1
1
(Enabled)
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Figure 3-1Proportional Band and O verlap/Dead band
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Figure 3-2Alarm Operation
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Figure 3-3Alarm Hysteresis Operation
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3.2EXIT FROM CONTROLLER SET-UP MODE
A return will then be made to the normal Base Mode display.
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4MODBUS COMMUNICATIONS
4.1INTRODUCTION
This Section specifies the MODBUS communications protocol as implemented on
1
the
-DIN Ramp/Soak Profile Controller.
1 6
Certain restrictions have been imposed upon this implementation:
(i) Baud rates may be set to 1200, 2400, 4800 and 9600 only
(ii) Support for multi-parameter Writes is limited to support of the Multi-word
Write Function (Number 16) but will permit writing of one parameter only per
message
(iii) The multi-parameter Read function supports a maximum of 10
parameters in one message.
4.2MODBUS FUNCTIONS SUPPORTED
In the following list, the original Gould MODBUS function names have been used,
followed by the JBUS names in italics, where such an equivalence exists. The
MODBUS Function number follows the names.
ARead Coil Status (Read n Bits)01/02
BRead Holding Registers (Read n Words)03/04
CForce Single Coil (Write 1 Bit)05
DPreset Single Register (Write 1 Word)06
ELoopback Diagnostic Test08
FPreset Multiple Registers (Write n Words)16
The instrument will identify itself in reply to a Read Holding Registers message
which enquires the values of parameter numbers 121 & 122, as specified in the
CNOMO documentation, and MODBUS Function 17 (Report Slave ID) will not be
supported.
4.3MESSAGE FORMATS
The first character of every message is an instrument address. The valid range of
such an address is 0 to 255. The second character is always the Function
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Number. The contents of the remainder of the message depends upon the
function number.
In most cases the instrument is required to reply by echoing the address and
function number, together with an echo of all or part of the message received (in
the case of a request to write a value or carry out a command) or the information
requested (in the case of a read parameter operation). Broadcast Messages (to
which the controller responds by taking some action without sending back a
reply) are supported at instrument address zero. Commands which can be
broadcast are marked with the symbol B .
Data is transmitted as eight-bit binary bytes with 1 start bit, 1 stop bit and optional
parity checking (None, Even or Odd).
A message is terminated solely by a delay of more than three character lengths
at the given Baud Rate, and any character received after such a delay is treated
as a potential address at the start of a new message.
The following individual message formats apply. Since only the RTU form of the
protocol is being supported, each message is followed by a two-byte CRC16.
Details of how the checksum must be calculated are given at the end of this
section.
A.Read Coil Status (Read n Bits)01/02
The message sent to the controller will consist of 8 bytes, as follows:
The normal reply will echo the first two characters of the message received, and
will then contain a single-byte data byte count, which will not include itself or the
CRC. For this message, there will be one byte of data per eight bits-worth of
information requested, with the LSbit of the first data byte transmitted depicting
the state of the lowest-numbered bit required.
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This function will be used largely to report controller status information, and so a
bit set to 1 indicates that the corresponding feature is currently enabled/active,
and a bit reset to 0 indicates the opposite.
If an exact multiple of eight bits is not requested, the data is padded with trailing
zeros to preserve the 8-bit format. After the data has been transmitted, the CRC16
value is sent.
B.Read Holding Registers (Read n Words)03/04
The message sent to the controller to obtain the value of one or more registers is
an eight-byte message as follows:
The reply sent by the controller echoes the first 2 characters received and then
contains a single-byte data byte count, the value of which does not include either
itself or the CRC value to be sent. For this message, the count equals the number
of parameters read times two. Following the byte count, that number of
parameter values are transmitted, MSB first, followed by the CRC16.
C.Force Single Coil (Write 1 Bit)05B
The message received by the controller is 8 bytes long, consisting of the standard
preamble and the address of the bit to force, followed by a two-byte word whose
MSB contains the desired truth value of the bit expressed as 0xFF (TRUE) or 0x00
(FALSE).
Generally, this function will be used to control such features as Auto/Manual and
Tuning.
The normal reply sent by the controller will be a byte-for-byte echo of the
message received.
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D.Preset Single Register (Write 1 Word)06B
The message sent to the controller consists of 8 bytes: the address and function
number as usual, the address of the parameter to be written, and the two-byte
value to which the parameter will be set, and finally the CRC16.
The normal response is to echo the message in its entirety.
E.Loopback Diagnostic Test08
The controller is sent an 8 byte message consisting of the usual preamble, a
two-byte diagnostic code, and two bytes of data, followed by the CRC16.
Full MODBUS support in this area is not appropriate - consequently, the only
Diagnostic Code supported is code 00. In response to the message, the
controller must echo the message received exactly.
F.Preset Multiple Registers (Write n Words) 16B
This message consists of eleven bytes. Only one parameter may be written at a
time, even though this function number is supported. The preamble is followed by
the address of the parameter to be written, and then a two-byte word count
(always set to 1) and a single-byte byte count (always set to 2). Finally, the value
to be written is followed by the CRC16.
The controller normally responds with a eight-byte reply, as follows:
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G.Error and Exception Responses
If the controller receives a message which contains a corrupted character (parity
check fail, framing error etc.), or if the CRC16 check fails, the controller ignores
the message. If the message is otherwise syntactically flawed (e.g. the byte count
or word count is incorrect) the controller will also not reply.
However, if the controller receives a syntactically correct message which
nonetheless contains an illegal value, it will send an exception response,
consisting of five bytes as follows:
The Function Number field consists of the function number contained in the
message which caused the error, with its top bit set (i.e. function 3 becomes
0x83), and the Exception Number is one of the codes contained in the following
table:
CodeNameCause
1ILLEGAL FUNCTIONFunction Number out of range
2ILLEGAL DATA ADDRESSParameter ID out of range or not supported
3ILLEGAL DATA VALUEAttempt to write invalid data/action not
carried out
4DEVICE FAILUREN/A
5ACKNOWLEDGEN/A
6BUSYN/A
7NEGATIVE ACKNOWLEDGEN/A
H.CRC16 Calculation
This is a 16-bit cyclic redundancy checksum. It is calculated in accordance with
a formula which involves recursive division of the data by a polynomial, with the
input to each division being the remainder of the results of the previous one.
The formula specifies that input is treated as a continuous bit-stream binary
number, with the most significant bit being transmitted first. However, the
transmitting device sends the least significant bit first.
According to the formula, the dividing polynomial is 216 + 215 + 22 + 1 (Hex
18005), but this is modified in two ways:
i. Because the bit-order is reversed, the binary pattern is reversed also,
making the MSB the rightmost bit, and
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ii. Because only the remainder is of interest, the MSB (the rightmost bit) may
be discarded.
This means the polynomial has the value Hex A001. The CRC algorithm is as
follows:
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4.4PARAMETER NUMBERS
The parameter numbering system, in order to conform to the CNOMO standard,
splits parameters into BITS and WORDS and numbers each group independently.
Rate values (Soak = -32768, End = -16384)Segment 1 at address 1420
to
Segment 1 at address 1404
⇓
Segment 16 at address 1419
⇓
Segment 16 at address 1435
1436
1451
1452Event Marker settings
Time valuesSegment 1 at address 1436
to
⇓
Segment 16 at address 1451
Bit 0 = Event 16 ⇒ Bit 15 = Event 1
Some of the parameters which do not apply to a particular instrument
configuration (e.g. PB2 on a single output instrument) will accept reads & writes.
Others will accept reads only, and will return an exception if an attempt is made
to write values to them. The values read will in all cases be undefined. It is the
user’s responsibility to make sure that values read reflect a possible state of the
instrument.
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4.5PROFILER STATUS BYTE
The Profiler Status byte has the following format:
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4.6PROFILER COMMANDS
The Profiler Commands are as follows:
0001Manually hold currently-running program
0002Release Manual Hold on current program
0003Abort currently-running/held program
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1
-DIN RAMP/SOAK PROFILE CONTROLLER
1 6
PRODUCT MANUAL
VOLUME II
INSTALLATION & CONFIGURATION
INSTRUCTIONS
The procedures described in this Volume must be undertaken only by
technically-competent servicing personnel.
CONTENTS
1INSTALLATION1-1
1.1UNPACKING PROCEDURE1-1
1.2PANEL-MOUNTING THE CONTROLLER1-1
1.3CONNECTIONS AND WIRING1-2
2INTERNAL LINKS AND SWITCHES2-1
2.1REMOVING THE PROFILE CONTROLLER FROM ITS HOUSING2-1
2.2REMOVING/REPLACING THE OUTPUT 2/OUTPUT 3 OPTION PCBs2-3
2.3REMOVING/REPLACING THE RS485 COMMUNICATIONS
OPTION PCB OR REMOTE RUN/HOLD OPTION PCB2-3
2.4REPLACING THE INSTRUMENT IN ITS HOUSING2-3
2.5SELECTION OF INPUT TYPE AND OUTPUT 1 TYPE2-4
2.6OUTPUT 2 TYPE/OUTPUT 3 TYPE2-6
3CONFIGURATION MODE3-1
3.1ENTRY INTO CONFIGURATION MODE3-1
3.2HARDWARE DEFINITION CODE3-1
3.3OPTION SELECTION3-3
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3.4CONFIGURATION MODE PARAMETERS3-4
3.5EXIT FROM CONFIGURATION MODE3-9
APPENDIX A PRODUCT SPECIFICATION
APPENDIX B SUMMARY OF DISPLAYS
(ii)Volume IIPM077-V2
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1INSTALLATION
1.1UNPACKING PROCEDURE
1. Remove the Profile Controller from its packing. The Controller is
supplied with a panel gasket and push-fit fixing strap. Retain the
packing for future use, should it be necessary to transport the Profile
Controller to a different site or to return it to the supplier for
repair/testing.
2. Examine the delivered items for damage or deficiencies. If any is
found, notify the carrier immediately.
1.2PANEL-MOUNTING THE CONTROLLER
The panel on which the Profile Controller is to
be mounted must be rigid and may be up to
6.0mm (0.25 inches) thick. The cut-out
required for a single Profile Controller is as
shown in Figure 1-1.
Several instruments may be installed in a
single cut-out, side-by-side. For n Profile
Controllers mounted side-by-side, the width of
the cut-out would be:
(48n - 4) millimetres or (3.78n - 0.16) inches.
The Profile Controller is 110mm deep (measured from the rear face of the front
panel). The front panel is 48mm high and 48mm wide. When panel-mounted, the
front panel projects 10mm from the mounting panel. The main dimensions of the
Profile Controller are shown in Figure 1-2.
Figure 1 -1Cut-out Dimensions
45mm +0.5 -0.0
Figure 1-2Main Dimensions
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The procedure to panel-mount the Profile Controller is shown in Figure 1-3.
CAUTION: Do not remove the panel gasket, as this may result in
inadequate clamping of the instrument in the panel.
NOTE: When installing several instruments side-by-side in one cut-out,
use the ratchets on the top/bottom faces.
PM-0077
Figure 1 -3Panel-Mounting the Profile Controller
Once the Profile Controller is installed in its mounting panel, it may be
subsequently removed from its housing, if necessary, as described in Subsection
2.1.
1.3CONNECTIONS AND WIRING
The rear terminal connections are illustrated in Figure 1-4.
This instrument is designed for installation in an enclosure
which provides adequate protection against electric shock.
All pertinent local regulations should be rigidly observed.
Consideration should be given to prevention of access to the
rear terminals by unauthorised personnel.
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Figure 1 -4Rear Terminal Connections
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1.3.1Mains (Line) Input
The Profile Controller will operate on 96 - 264V AC 50/60Hz mains (line) supply. The
power consumption is approximately 4 VA. Power should be connected via a
two-pole isolating switch (preferably situated near the equipment) and a 1A fuse.
If the Profile Controller has relay outputs in which the contacts are to carry mains
(line) voltage, it is recommended that the relay contact mains (line) supply should
be switched and fused in a similar manner but should be separate from the Profile
Controller mains (line) supply.
1.3.224V (Nominal) AC/DC Supply
The supply connections for the 24V AC/DC option of the Profile Controller are as
shown in Figure 1-4. Power should be connected via a two-pole isolating switch
and a 315mA slow-blow (anti-surge Type T) fuse.
With the 24V AC/DC supply option fitted, these terminals will accept the following
supply voltage ranges:
24V (nominal) AC 50/60Hz -20 - 50V
24V (nominal) DC -22 - 65V
1.3.3Thermocouple Input
The correct type of thermocouple extension leadwire or compensating cable
must be used for the entire distance between the Profile Controller and the
thermocouple, ensuring that the correct polarity is observed throughout. Joints in
the cable should be avoided, if possible. The CJC facility must be enabled
(normal conditions) for this input (see Subsection 3.4).
NOTE: Do not run thermocouple cables adjacent to power-carrying
conductors. If the wiring is run in a conduit, use a separate conduit for the
thermocouple wiring. If the thermocouple is grounded, this must be done at
one point only. If the thermocouple extension lead is shielded, the shield
must be grounded at one point only.
1.3.4RTD Inputs
The compensating lead should be connected to Terminal 4. For two-wire RTD
inputs, Terminals 4 and 5 should be linked. The extension leads should be of
copper and the resistance of the wires connecting the resistance element should
not exceed 5 ohms per lead (the leads should be of equal resistance).
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1.3.5Linear Inputs
For linear mA input ranges, connection is made to Terminals 4 and 6 in the
polarity shown in Figure 1-4. For linear mV and V ranges, connection is made to
Terminals 4 and 5 in the polarity shown in Figure 1-4. For details of the linear input
ranges available, refer to Appendix A.
1.3.6Remote Run/Hold Input
With this option fitted, Terminals 11 and 12 are used for external Run/Hold control
of the currently-selected program; this has an effect identical to that of the front
panel RUN key. These terminals may be connected to (a) the voltage-free
contacts of a switch or relay, or (b) a TTL-compatible voltage. This is an
edge-sensitive input for which the following convention has been adopted:
For TTL input, OFF = logic 1 and ON = logic 0
For a voltage-free input, OFF = open and ON = closed
Program control is as follows:
OFF-ON transition:The currently-selected program will run (or
will resume running if it is currently held).
ON-OFF transition:The currently-running program will be held.
NOTE: When this input is used, the front panel RUN key can be used
only to abort a program. Powering-up the Profile Controller whilst this
input is ON will not cause a program to run. The RS485 Serial
Communications option and the Remote Run/Hold option are
mutually exclusive.
1.3.7Relay Outputs
The contacts are rated at 2A resistive at 120/240V AC.
1.3.8SSR Drive Outputs
These outputs produce a time-proportioned non-isolated DC signal (0 - 4.2V
nominal into 1kΩ minimum).
1.3.9Solid State Outputs
These outputs provide up to 1A AC drive with a longer lifetime than an
electromechanical relay. For further details, refer to Appendix A.
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1.3.10 DC Outputs
See Appendix A.
1.3.11 RS485 Serial Communications Link
The cable used should be suitable for data transfer at the selected rate (1200,
2400, 4800 or 9600 Baud) over the required distance. Transmitters/receivers
conform to the recommendations in the EIA Standard RS485.
The “A” terminal (Terminal 11) on the Profile Controller should be connected to the
“A” terminal on the master device; the “B” terminal (Terminal 12) on the Profile
Controller should be connected to the “B” terminal on the master device. Where
several Profile Controllers are connected to one master port, the master port
transceiver in the active state should be capable of driving a load of 12kΩ per
Profile Controller; the master port transceiver in the passive state must have
pull-up/pull-down resistors of sufficiently low impedance to ensure that it remains in
the quiescent state whilst supplying up to ± 100µA each to the Profile Controller
transceivers in the high impedance state.
NOTE: The RS485 Serial Communications option and the Remote
Run/Hold option are mutually exclusive.
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2INTERNAL LINKS AND SWITCHES
2.1REMOVING THE PROFILE CONTROLLER FROM ITS
HOUSING
CAUTION: Before removing the instrument from its housing, ensure
that all power has been removed from the rear terminals.
To withdraw the instrument from its housing, simply grip the side edges of the front
panel (there is a finger grip on each edge) and pull the instrument forwards. This
will release the instrument from its rear connectors in the housing and will give
access to the instrument PCBs. Take note of the orientation of the instrument for
subsequent replacement into the housing.The positions of the PCBs in the
instrument are shown in Figure 2-1.
Figure 2 -1PCB Positions
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Figure 2 -2Removing the Output 2/Output 3 Option PCBs
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2.2REMOVING/ REPLACING THE OUTPUT 2/OUTPUT 3
OPTION PCBs
With the instrument removed from its housing:
1. Gently push the rear ends of the CPU PCB and Power Supply PCB apart
slightly, until the two tongues on each of the Output 2/Output 3 Option PCBs
become disengaged - see Figure 2-2B; The Output 2 Option PCB tongues
engage in holes in the Power Supply PCB and the Output 3 Option PCB
tongues engage in holes on the CPU PCB.
2. Carefully pull the required Option PCB (Output 2 or Output 3) from its
connector (Output 2 Option PCB is connected to the CPU PCB and Output 3
Option PCB is connected to the Power Supply PCB) - see Figure 2-2C. Note
the orientation of the PCB in preparation for its replacement.
Adjustments may now be made to the link jumpers on the CPU PCB, the Output
2/Output 3 Option PCBs (if DC output) and (if fitted) the DC Output 1 PCB. The
replacement procedure is a simple reversal of the removal procedure.
2.3REMOVING/REPLACING THE RS485
COMMUNICATIONS OPTION PCB OR REMOTE
RUN/HOLD OPTION PCB
The RS485 Communications Option PCB or Remote Run/Hold Option PCB is
mounted on the inner surface of the Power Supply PCB and can be removed
when the instrument is removed from its housing (see Subsection 2.1) Figure 2-3
illustrates the removal/replacement procedure. It is not necessary to remove the
Output 2/Output 3 Option PCBs to perform this procedure.
2.4REPLACING THE INSTRUMENT IN ITS HOUSING
To replace the instrument, simply align the CPU PCB and Power Supply PCB with
their guides and connectors in the housing and slowly but firmly push the
instrument into position.
CAUTION: Ensure that the instrument is correctly orientated. A stop
will operate if an attempt is made to insert the instrument in the
wrong orientation (e.g. upside-down). This stop must not be
overridden.
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Figure 2 -3Removing the RS485 Communications Option PCB
or the Remote Run/Hold Option PCB
2.5SELECTION OF INPUT TYPE AND OUTPUT 1 TYPE
The selection of input type and Output 1 type is accomplished on link jumpers on
the CPU PCB. The CPU PCB may be either of two forms: (a) for a relay, solid state or
SSR drive Output 1 (see Figure 2-4) or for a DC Output 1 (see Figure 2-5).
2.5.1Input Type
The required input type is selected on
link jumpers LJ1/LJ2/LJ3 on the CPU
PCB (see Figure 2-4 or 2-5, as
appropriate, and Table 2-1).
Table 2 -1Selection of Input Type
Input TypeLink Jumpers Fitted
RTD or DC (mV)None (Parked)
ThermocoupleLJ3
DC (mA)LJ2
DC (V)LJ1
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Figure 2 -4CPU PCB (Relay/SSR Drive/Solid State Output 1)
Figure 2 -5CPU PCB (DC Output 1)
2.5.2Primary Output (Output 1) Type
The required type of Output 1 is
selected by Link Jumpers LJ4, LJ5,
LJ6 and LJ7 on the Relay/SSR
Drive/Solid State Output 1 CPU PCB
(see Figure 2-4 and Table 2-2) or, on
the DC Output 1 CPU PCB, Link
Jumpers LJ8 and LJ9 (see Figure 2-5
and Table 2-2).
Table 2 -2Selection of Output 1 Type
Output 1 TypeLink Jumpers Fitted
Relay or Solid StateLJ5 & LJ6
SSR DriveLJ4 & LJ7
DC (0 - 10V)LJ8
DC (0 - 20mA)LJ9
DC (0 - 5V)LJ8
DC (4 - 20mA)LJ9
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2.6OUTPUT 2 TYPE/ OUTPUT 3 TYPE
The type of output for Output 2 and Output 3 is determined by the Option PCB
fitted in the appropriate position (see Figure 2-1) and, in the case of the DC
Output Option PCB being fitted, the setting of Link Jumpers LJ8 and LJ9 on that
Option PCB (see Figure 2-6 and Table 2-3). There are three types of option PCB
which may be used for Output 2 and Output 3:
1. Relay Output Option PCB (no link jumpers)
2. Solid State Output Option PCB (no link jumpers)
3. SSR Drive Output Option PCB (no link jumpers)
3. DC Output Option PCB (link jumpers as shown in Figure 2-6)
Table 2 -3Selection of Output 2 &
Output 3 Type
DC Output RangeLink Jumpers Fitted
DC (0 - 10V)LJ8
Figure 2-6DC Output Option PCB
(Output 2/Output 3)
DC (0 - 20mA)LJ9
DC (0 - 5V)LJ8
DC (4 - 20mA)LJ9
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3CONFIGURATION MODE
3.1 ENTRY INTO CONFIGURATION MODE
Figure 3-1 Entry into Configuration Mode
NOTE: Changes to the value/setting of certain Configuration Mode
parameters (e.g. input range, output use and type) will cause the Set
Up Mode parameters to be automatically set to their default values
the next time Set Up Mode is entered (see also Volume I, beginning
of Section 3).
3.2 HARDWARE DEFINITION CODE
This parameter is a special facility in Configuration Mode, which is used to
represent the hardware fitted (input type, Output 1 type, Output 2 type and
Output 3 type); this must be compatible with the hardware actually fitted. For
access to, and adjustment of, the Hardware Definition Code, see Figure 3-2 and
Table 3-1.
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Figure 3 -2Hardware Definition Code - Access and Adjustment
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Table 3 -1Hardware Definition Code - Input/Output Type Selection
Value01234578
InputRTD/
Linear
Thermocouple
Linear
DC mA
Linear
DC V
DC mV
Output
1
Output
2/3
Not
fitted
RelaySSR
Drive
RelaySSR
Drive
DC
0 - 10VDC0 - 20mADC0 - 5VDC4 - 20mA
DC
0 - 10VDC0 - 20mADC0 - 5VDC4 - 20mA
* Output 2 only
NOTES:
1. If Output 2 is a relay/SSR drive/solid state output, it may be a control
output (COOL), an event output or an alarm output; if it is set to be a DC
output, it can only be a control output (COOL).
2. If Output 3 is a relay/SSR drive output (it cannot be a solid state output), it
can only be an event output or an alarm output; if it is set to be a DC
output, it can only be a recorder (i.e. retransmitted process variable or
setpoint) output.
Solid
State
Solid
State*
The maximum setting available for this code is 4887. For example, the code for a
thermocouple input, DC 4 - 20mA primary output (Output 1) and relay Output 3
would be 2701.
NOTE: It is essential that this code is changed promptly
whenever there is a change to the instrument’s hardware
configuration (change of input/output type, alarm/recorder
output added/removed etc.). The instrument software depends
upon this code to ensure that the instrument operates
correctly.
This code may be viewed as a Read Only display in Base Mode (see Volume I,
Subsection 1.11).
3.3OPTION SELECTION
This indicates the option fitted (Communications Option, Remote Run/Hold option
or no option at all). It is accessed whilst the Hardware Definition Code is displayed
(see Figure 3-3).
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Figure 3 -3Option Selection
3.4CONFIGURATION MODE PARAMETERS
Parameter IdentifierDescription
Input
Range
Output
1
Action
Alarm 1
Type
A four-digit code (see Appendix A). Default settings:
Sensor Break Protection:Break detected within two seconds. Control
outputs set to OFF (0% power). For RTD
input, alarms operate as if the process
variable has gone under-range. For DC
(mV) input, alarms operate as if the process
variable has gone over-range.
(Changes may also be required to the CPU PCB link jumpers - see Subsection
2.5.1.)
Scale Range Maximum:–1999 to 9999. Decimal point as required.
Scale Range Minimum:–1999 to 9999. Decimal point as for Scale
Range Maximum.
Minimum Span:1 display LSD.
Sensor Break Protection:Applicable to 4 - 20mA, 1 - 5V and 2 - 10V
ranges only. Break detected within two
seconds. Control outputs set to OFF (0%
power); Alarms operate as if the process
variable has gone under-range.
REMOTE RUN/HOLD INPUT (OPTION)
Type:Voltage-free or TTL-compatible;
edge-sensitive.
OFF-ON transition - currently-selected
program will run or (if currently held)
resume running.
ON-OFF transition - currently-running
program will be held.
Voltage-Free Operation:Connection to contacts of external switch
or relay; contacts open = OFF (minimum
contact resistance = 5000Ω), contacts
closed = ON (maximum contact resistance
= 50 Ω).
TTL levels:OFF: –0.6V to 0.8V
ON: 2.0V to 24V
Maximum Input Delay
(OFF-ON):
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Minimum Input Delay
1 second
(ON-OFF):
OUTPUT 1
General
Types Available:Relay (as standard), SSR drive, solid state
and DC as options.
Relay
Contact Type:Single pole double throw (SPDT).
Rating:2A resistive at 120/240V AC.
Lifetime:>500,000 operations at rated
voltage/current.
Isolation:Inherent.
SSR Drive/TTL
Drive Capability:SSR >4.2V DC into 1k Ω minimum.
Isolation:Not isolated from input or other SSR outputs.
Solid State
Operating Voltage Range:20 - 280Vrms (47 - 63Hz)
Current Rating:
Max. Non-repetitive Surge
Current (16.6ms):
Min. OFF-State
dv
@ Rated
dt
Voltage:
Max. OFF-State leakage @
Rated Voltage:
0.01 - 1A (full cycle rms on-state @ 25°C);
derates linearly above 40 °C to 0.5A @
80 °C.
25A peak
500V/µs
1mA rms
Max. ON-State Voltage
1.5V peak.
Drop @ Rated Current:
Repetitive Peak OFF-state
600V minimum
Voltage, Vdrm:
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DC
Resolution:Eight bits in 250mS (10 bits in 1 second
typical, >10 bits in >1 second typical).
Update Rate:Every control algorithm execution.
Ranges:0 - 20mA
4 - 20mA
0 - 10V
0 - 5V
(Changes between V and mA ranges also require link jumper movement.)
Isolation:Isolated from all other inputs and outputs.
Range Selection Method:Link jumper or DIP.
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LOOP CONTROL
Automatic Tuning Types:Pre-Tune
Proportional Bands:0 (OFF), 0.5% - 999.9% of input span at
0.1% increments.
Reset (Integral Time
1s - 99min 59s and OFF
Constant):
Rate (Derivative Time
0 (OFF) - 99 min 59 s.
Constant):
Manual Reset (Bias):Added each control algorithm execution.
Adjustable in the range 0 - 100% of output
power (single output) or –100% to +100%
of output power (dual output).
Deadband/Overlap:–20% to +20% of Proportional Band 1 +
Proportional Band 2.
ON/OFF Differential:0.1% to 10.0% of input span.
Auto/Manual Control:User-selectable with “bumpless” transfer
into and out of Manual Control.
Cycle Times:Selectable from
1
s to 512 secs in binary
2
steps.
Setpoint Range:Limited by Range Maximum and Range
Minimum.
ALARM CONTROL
Maximum Number of
Alarms:
Max. No. of Outputs
Available:
Combinatorial Alarms:Logical OR or AND of alarms to an
Two “soft” alarms.
Up to two outputs can be utilised for alarm
purposes.
individual hardware output is available.
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PERFORMANCE
Reference Conditions
Generally as EN60546-1.
PM-0077
Ambient Temperature:
Relative Humidity:60 - 70%
Supply Voltage:90 - 264V AC 50Hz 1%
Source Resistance:<10Ω for thermocouple input
Lead Resistance:<0.1Ω/lead balanced (Pt100)
20°C ±2oC
Performance Under Reference Conditions
Common Mode Rejection:>120dB at 50/60Hz giving negligible effect
at up to 264V 50/60Hz.
Series Mode Rejection:>500% of span (at 50/60Hz) causes
negligible effect.
DC Linear Inputs
Measurement Accuracy:
±0.25% of span ±1LSD.
Thermocouple Inputs
Measurement Accuracy:
Linearisation Accuracy:
Cold Junction
Compensation:
RTD Inputs
Measurement Accuracy:
Linearisation Accuracy:
±0.25% of span ±1LSD. NOTE: Reduced
performance with Type “B” Thermocouple
between 100 - 600 °C (212 - 1112 °F).
Better than ±0.2 °C any point, any 0.1°C
range (± 0.05°C typical). Better than ±0.5 °C
any point, any 1 °C range.
Better than ±0.7 °C.
±0.25% of span ±1LSD
Better than ±0.2 °C any point, any 0.1°C
range (± 0.05°C typical). Better than ±0.5 °C
any point, any 1 °C range.
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DC Outputs - Accuracy
Output 1:
±0.5% (mA @ 250Ω, V @ 2kΩ ); 2%
underdrive (4 - 20mA) and overdrive
applies.
Output 2:
±0.5% (mA @ 250 Ω, V @ 2kΩ ); 2%
underdrive (4 - 20mA) and overdrive
applies.
Output 3 (Recorder
Output):
±0.25% (mA @ 250 Ω, V @ 2kΩ ); Degrades
linearly to ± 0.5% for increasing burden (to
specification limits).
Operating Conditions
Ambient Temperature
0 °C to 55 °C
(Operating):
Ambient Temperature
–20 °C to 80°C
(Storage):
Relative Humidity:20% - 95% non-condensing
Supply Voltage:90 - 264V AC 50/60Hz (standard)
20 - 50V AC 50/60Hz or 22 - 65V DC
(option)
Source Resistance:1000 Ω maximum (thermocouple)
Lead Resistance:50Ω per lead maximum balanced (Pt100)
Performance Under Operating Conditions
Temperature Stability:
0.01% of span/°C change in ambient
temperature.
Cold Junction
Better than ±1 °C.
Compensation
(thermocouple Only):
Supply Voltage Influence:Negligible.
Relative Humidity
Negligible
Influence:
Sensor Resistance
Influence:
Thermocouple 100Ω : <0.1% of span error
Thermocouple 1000Ω : <0.5% of span error
RTD Pt100 50 Ω/lead: <0.5% of span error
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ENVIRONMENTAL
PM-0077
Operating Conditions:
Approvals:CE, UL, cUL
EMI Susceptibility:Certified to EN50082-1:1992 and
EMI Emissions:Certified to EN50081-1:1992 and
Safety Considerations:Complies with EN61010-1:1993.
Supply Voltage:90 - 264V AC 50/60Hz (standard)
See PERFORMANCE.
EN50082-2:1995.
NOTE: For line-conducted disturbances
induced by RF fields (10V 80% AM 1kHz),
the product is self-recoverable in the
frequency bands 17 - 47MHz and 68 80MHz.
EN50081-2:1994.
20 - 50V AC 50/60Hz or 22 - 65V DC
(option)
Power Consumption:4 watts approximately.
Front Panel Sealing:To IP66 (NEMA 4).
PHYSICAL
Dimensions:Depth - 110mm
Front Panel:Width - 48mm, Height - 48mm (1/16 DIN)
Mounting:Plug-in with panel mounting fixing strap.
Panel cut-out 45mm x 45mm.
Terminals:Screw type (combination head).
Weight:0.21kg maximum
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APPENDIX BSUMMARY OF DISPLAYS
The lower display on the Profiler/Controller front panel is used to identify the
parameter being displayed. The parameter identifiers are as follows:
User to enter lock code to access either Controller
Set-Up Mode or Program Define Mode
II3.4
II3.4
II3.4
II3.4
II3.4
II3.4
II3.4
I2.1 & 3.1
I2.1 & 3.1
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ALPHABETICAL INDEX
PM-0077
Page references are shown in the form
x/y-z, where x is the Volume Number (I or
II), y is the Section Number within that
Volume and z is the Page Number within
that Section. Thus, the reference to the
second page of the third Section in
Volume II would be II/3-2.
A
Aborting a ProgramI/1-2
Active Program Setpoint
Display ofI/1-3
Alarm 1 HysteresisI/3-5
Alarm 1 Status